# python | 读文件编码问题 | UnicodeDecodeError: 'gbk' codec can't decode byte 0x80 in position 34: illegal mu

**Published by:** [quantdao.eth](https://paragraph.com/@fanguohui/)
**Published on:** 2021-12-22
**URL:** https://paragraph.com/@fanguohui/python-unicodedecodeerror-gbk-codec-can-t-decode-byte-0x80-in-position-34-illegal-mu

## Content

UnicodeDecodeError: 'gbk' codec can't decode byte 0x80 in position 34: illegal multibyte sequence 后面处理数据时没有转码下，如open函数上 处理如下 with open("data.txt",'r',encoding='UTF-8') as data:

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